<template>
  <div>
    <!-- 面包屑导航区 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片试图区 -->
    <el-card>
      <!-- 搜索与添加区 -->
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getUserList">
            <el-button slot="append" icon="el-icon-search" @click="getUserList()"></el-button>
          </el-input>
        </el-col>
        <el-col :span="3">
          <el-button type="primary" @click="addDialogVisable =true">添加用户</el-button>
        </el-col>
        <el-col :span="3">
          <el-button type="primary">批量删除用户</el-button>
        </el-col>
      </el-row>
      <!-- 用户列表区 -->
      <el-table :data="userList" border stripe>
        <el-table-column type="index"></el-table-column>
        <el-table-column label="姓名" prop="username"></el-table-column>
        <el-table-column label="邮箱" prop="email"></el-table-column>
        <el-table-column label="电话" prop="mobile"></el-table-column>
        <el-table-column label="角色" prop="role_name"></el-table-column>
        <el-table-column label="状态">
          <template slot-scope="scope">
            <!-- {{scope.row}}  所有信息 -->
            <!-- {{scope.row.mg_state}} -->
            <el-switch v-model="scope.row.mg_state" @change="userStateChanged(scope.row)"></el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作">
          <template slot-scope="scope">
            <!-- 分配角色按钮 -->
            <!-- 修改按钮 -->
            <el-tooltip class="item" effect="dark" content="修改" placement="top" :enterable="false">
              <el-button
                type="primary"
                class="anniu"
                round
                icon="el-icon-edit"
                circle
                @click="showEditDialog(scope.row.id)"
              ></el-button>
            </el-tooltip>
            <!-- 删除按钮 -->
            <el-tooltip class="item" effect="dark" content="删除" placement="top" :enterable="false">
              <el-button
                type="danger"
                class="anniu"
                round
                icon="el-icon-delete"
                circle
                @click="removeById(scope.row.id)"
              ></el-button>
            </el-tooltip>
            <!-- 分配权限 -->
            <el-tooltip
              class="item"
              effect="dark"
              content="分配权限"
              placement="top"
              :enterable="false"
            >
              <el-button
                type="warning"
                class="anniu"
                round
                icon="el-icon-setting"
                @click="setRoles(scope.row)"
                circle
              ></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页区域 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[1, 2, 5, 10]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      ></el-pagination>
    </el-card>
    <!-- 添加用户的对话框 -->
    <el-dialog title="添加用户" :visible.sync="addDialogVisable" width="50%" @close="addDialogClosed">
      <!-- 内容主题区   表单 -->
      <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px">
        <el-form-item label="名称" prop="username">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="addForm.password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机号" prop="mobile">
          <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <!-- 底部区 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisable = false">取 消</el-button>
        <el-button type="primary" @click="addUser">确 定</el-button>
      </span>
    </el-dialog>

    <!-- 修改用户对话框 -->
    <el-dialog title="修改用户" :visible.sync="editDialogVisible" width="30%" @close="editDialogClosed">
      <!-- <span>这是一段信息</span> -->
      <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="100px">
        <el-form-item label="用户名">
          <el-input v-model="editForm.username" disabled></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机号" prop="mobile">
          <el-input v-model="editForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="editUserInfo">确 定</el-button>
      </span>
    </el-dialog>

    <!-- 分配权限对话框 -->
    <el-dialog
      title="分配角色"
      :visible.sync="setRoledialogVisible"
      width="50%"
      @close="setRoleClosed()"
    >
      、
      <div>
        <p>当前的用户:{{userInfo.username}}</p>
        <p>当前的角色:{{userInfo.role_name}}</p>
        <p>
          <!-- 下拉菜单 -->
          分配角色:
          <el-select v-model="selectedRoleId" placeholder="请选择">
            <el-option
              v-for="roles in rolesList"
              :key="roles.id"
              :label="roles.roleName"
              :value="roles.id"
            ></el-option>
          </el-select>
        </p>
      </div>
      <span slot="footer" class="dialog-footer">
        <el-button @click="setRoledialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>



<script>
export default {
  data() {
    //验证邮箱的规则
    var checkEmail = (rule, value, cb) => {
      const regEmail = /^\w+@\w+(\.\w+)+$/
      if (regEmail.test(value)) {
        return cb()
      }
      //返回一个错误提示
      cb(new Error("请输入合法的邮箱"))
    }
    //验证手机号码的规则
    var checkMobile = (rule, value, cb) => {
      const regMobile = /^1[34578]\d{9}$/
      if (regMobile.test(value)) {
        return cb()
      }
      //返回一个错误提示
      cb(new Error("请输入合法的手机号码"))
    }
    return {
      //获取用户列表的参数对象
      queryInfo: {
        query: "",
        //当前的页数
        pagenum: 1,
        //当前每页显示多少条数据
        pagesize: 2,
      },
      userList: [],
      total: 0,
      //控制添加用户对话框的显示与隐藏
      addDialogVisable: false,
      //添加用户的表单数据
      addForm: {
        username: "",
        password: "",
        email: "",
        mobile: "",
      },
      //添加表单的验证规则对象
      addFormRules: {
        username: [
          { required: true, message: "请输入用户名称", trigger: "blur" },
          { min: 3, max: 8, message: "长度在 3 到 8 个字符", trigger: "blur" },
        ],
        password: [
          { required: true, message: "请输入用户密码", trigger: "blur" },
          {
            min: 6,
            max: 15,
            message: "长度在 6 到 15 个字符",
            trigger: "blur",
          },
        ],
        email: [
          { required: true, message: "请输入用户邮箱", trigger: "blur" },
          { validator: checkEmail, trigger: "blur" },
          {
            min: 6,
            max: 15,
            message: "长度在 6 到 15 个字符",
            trigger: "blur",
          },
        ],
        mobile: [
          { required: true, message: "请输入用户手机号", trigger: "blur" },
          { validator: checkMobile, trigger: "blur" },
          {
            min: 6,
            max: 15,
            message: "长度在 6 到 15 个字符",
            trigger: "blur",
          },
        ],
      },
      //控制修改用户对话框显示何隐藏
      editDialogVisible: false,
      //修改时通过id查询到的用户对象
      editForm: "",
      //修改时的表单邮箱手机号验证规则
      editFormRules: {
        email: [
          { required: true, message: "请输入用户邮箱", trigger: "blur" },
          { validator: checkEmail, trigger: "blur" },
          {
            min: 6,
            max: 15,
            message: "长度在 6 到 15 个字符",
            trigger: "blur",
          },
        ],
        mobile: [
          { required: true, message: "请输入用户手机号", trigger: "blur" },
          { validator: checkMobile, trigger: "blur" },
          {
            min: 6,
            max: 15,
            message: "长度在 6 到 15 个字符",
            trigger: "blur",
          },
        ],
      },
      //控制分配角色对话框显示与隐藏
      setRoledialogVisible: false,
      //需要分配的角色信息
      userInfo: {},
      //所有角色的数据列表
      rolesList: [],
      //已选择的角色值
      selectedRoleId: "",
    }
  },
  created() {
    this.getUserList()
  },
  methods: {
    async getUserList() {
      const { data: res } = await this.$http.get("users", {
        params: this.queryInfo,
      })
      if (res.meta.status !== 200) {
        return this.$message.error("获取用户列表失败")
      }
      this.userList = res.data.users
      this.total = res.data.total
      console.log(res)
    },
    //监听pageSize改变的事件
    handleSizeChange(newSize) {
      console.log(newSize)
      this.queryInfo.pagesize = newSize
      this.getUserList()
    },
    //监听页码值改变的事件
    handleCurrentChange(newPage) {
      console.log(newPage)
      this.queryInfo.pagenum = newPage
      this.getUserList()
    },
    //监听switch  开关状态
    async userStateChanged(userinfo) {
      console.log(userinfo)
      const { data: res } = await this.$http.put(
        `users/${userinfo.id}/state/${userinfo.mg_state}`
      )
      if (res.meta.status !== 200) {
        //取反    没有更改数据库的前提下
        userinfo.mg_state = !userinfo.mg_state
        return this.$message.error("更新用户状态失败")
      }
      this.$message.success("更新用户状态成功")
    },
    //监听添加用户对话框的关闭事件
    addDialogClosed() {
      this.$refs.addFormRef.resetFields()
    },
    //点击按钮添加
    addUser() {
      // 对整个表单进行一个预验证
      this.$refs.addFormRef.validate(async (valid) => {
        console.log(valid)
        if (!valid) {
          return this.$message.error("数据有误")
        }
        const { data: res } = await this.$http.post("users", this.addForm)
        if (res.meta.status !== 201) {
          return this.$message.error("添加失败")
        }
        this.$message.success("添加成功")
        //确定后直接消失对话框
        this.addDialogVisable = false
        this.getUserList()
      })
    },
    //展示编辑用户的对话框
    async showEditDialog(id) {
      // console.log(id)
      const { data: res } = await this.$http.get("users/" + id)
      if (res.meta.status !== 200) {
        return this.$message.error("查询失败")
      }
      this.editForm = res.data
      this.editDialogVisible = true
    },
    //监听用户修改对话框的关闭事件
    editDialogClosed() {
      this.$refs.editFormRef.resetFields()
    },
    //修改用户信息并提交
    editUserInfo() {
      //对整个表单进行与验证
      this.$refs.editFormRef.validate(async (valid) => {
        console.log(valid)
        if (!valid) {
          return this.$message.error("修改数据有误")
        }
        //通过  发起请求
        const { data: res } = await this.$http.put(
          "users/" + this.editForm.id,
          { email: this.editForm.email, mobile: this.editForm.mobile }
        )
        if (res.meta.status !== 200) {
          return this.$message.error("更新失败")
        }
        //更新成功
        //1、先隐藏对话框
        this.editDialogVisible = false
        //2、调用getUserList方法
        this.getUserList()
        //3、提示用户跟新成功
        this.$message.success("更新成功")
      })
    },
    //根据id删除对应的信息
    async removeById(id) {
      console.log(id)
      //先弹框提示确定要删除
      const res = await this.$confirm("将永久删除该用户, 是否继续?", "提示", {
        confirmButtonText: "确定",
        cancelButtonText: "取消",
        type: "warning",
      }).catch((err) => {
        //捕获错误异常，当用户点击取消时
        return err
      })
      //如果用户确认删除则返回confirm
      //如果用户取消删除则换回cancel
      //   console.log(res)
      if (res !== "confirm") {
        return this.$message.info("已经取消删除")
      }
      const { data: resInfo } = await this.$http.delete("users/" + id)

      if (resInfo.meta.status !== 200) {
        return this.$message.error("删除失败")
      }
      this.getUserList()
      this.$message.success("删除成功")
    },
    //展示分配角色的对话框
    async setRoles(userInfo) {
      this.userInfo = userInfo

      //在展示对话框之前获取全部的角色列表
      const { data: res } = await this.$http.get("roles")
      if (res.meta.status !== 200) {
        return $message.error("获取角色列表失败")
      }

      this.rolesList = res.data
      this.setRoledialogVisible = true
    },
    //点击按钮分配角色
    async saveRoleInfo() {
      if (!this.selectedRoleId) {
        //没有选择分配的权限
        this.$message.error("请选择要分配的角色")
      }
      //
      const { data: res } = await this.$http.put(
        `users/${this.userInfo.id}/role`,
        {
          rid: this.selectedRoleId,
        }
      )
      if (res.meta.status !== 200) {
        return this.$message.error("更新角色失败")
      }
      this.$message.success("更新角色成功")
      this.getUserList()
      this.setRoledialogVisible = false
    },
  },
  //监听分配角色的关闭事件
  setRoleClosed() {
    this.selectedRoleId = ""
    this.userInfo = ""
  },
}
</script>

<style lang="less" scoped>
</style>